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B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
B61L5/062—Wiring diagrams
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Mechanical Engineering
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FR831416A1960-06-281960-06-28
Control gear for a drive device by reversible electric motor, by means of four conductors
ExpiredFR77981E
(en)